The system adopts full automatic control (or manual control), and automatic backwashing and regeneration procedures can be set during operation; The primary reverse osmosis and the secondary reverse osmosis are provided with return pipelines, and the reverse osmosis equipment is provided with chemical cleaning devices and disinfection devices; A PH adjusting device is installed between the first-stage reverse osmosis and the second-stage reverse osmosis to ensure that the conductivity of the water produced by the equipment meets the requirements of the Pharmacopoeia.
The secondary reverse osmosis membrane adopts anti-pollution reverse osmosis membrane with positive charge to ensure the long-term stable operation of reverse osmosis equipment; The primary reverse osmosis pipeline is made of 304 stainless steel, and the secondary reverse osmosis pipeline is made of 3 16L stainless steel. Both primary reverse osmosis and secondary reverse osmosis equipment are equipped with on-line conductivity detection instruments, which can observe the conductivity of produced water at any time.
A low-voltage protection switch is arranged before the first-stage reverse osmosis, and a low-voltage protection switch and a high-voltage protection switch are arranged before the second-stage reverse osmosis; The recovery rate of primary and secondary reverse osmosis water is adjustable, with the recovery rate of primary reverse osmosis being 60%-65% and that of secondary reverse osmosis being 70%; All pretreatment equipment is imported; The pipeline between pretreatment equipment adopts UPVC pipe.
The purified water storage tank is equipped with a breathing filter, and the delivery pipeline is equipped with an ultraviolet sterilizer and a microporous filter to ensure that the purified water meets the hygiene requirements.
Extended data
facility request
1. The structural design shall be simple, reliable and easy to disassemble.
2. In order to facilitate the disassembly, replacement and cleaning of components, the design of actuators should adopt standardized, universal and systematic components as far as possible.
3. The surfaces of the internal and external walls of the equipment should be smooth and level, without dead angles, and easy to clean and disinfect. The surface of parts should be chrome plated to prevent corrosion and rust. Avoid using paint outside the equipment to prevent peeling.
4. The equipment for preparing purified water should use low-carbon stainless steel or other materials that have been verified not to pollute the water quality. The equipment for preparing purified water should be cleaned regularly and the cleaning effect should be verified.
5. The materials in contact with water for injection must be high-quality low-carbon stainless steel or other materials that have been proved not to pollute the water quality. The equipment for preparing water for injection should be cleaned regularly and the cleaning effect should be verified.